CN101684686B - Method for manufacturing anti-cracking concrete floor of aluminium electrolysis workshop - Google Patents
Method for manufacturing anti-cracking concrete floor of aluminium electrolysis workshop Download PDFInfo
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- CN101684686B CN101684686B CN2008103046270A CN200810304627A CN101684686B CN 101684686 B CN101684686 B CN 101684686B CN 2008103046270 A CN2008103046270 A CN 2008103046270A CN 200810304627 A CN200810304627 A CN 200810304627A CN 101684686 B CN101684686 B CN 101684686B
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Abstract
The invention discloses a method for manufacturing an anti-cracking concrete floor of an aluminium electrolysis workshop, which comprises the following steps: firstly, manufacturing a structural layer of a reinforced concrete floor slab by a conventional method; secondly, coating an asphalt isolating layer with a thickness of less than or equal to 1.5 millimetres on the structural layer of the reinforced concrete floor slab; and finally, casting a fine aggregate concrete surface with the thickness of between 60 and 80 millimetres on the asphalt isolating layer after drying the asphalt isolating layer. The method for manufacturing the anti-cracking concrete floor of the aluminium electrolysis workshop has the following advantages that: 1, because of the addition of an asphalt mastic isolating layer, the surface is separated from the structural layer relatively; 2, because the concrete surface is provided with partitioned sub-lattices with through seams, the free boundary condition thereof contributes to the own free expansion of small blocks so as to prevent cracking; and 3, because the high-grade concrete surface is added with a steel mesh, the problems of thermal cracking, atmospheric cracking and the like can be solved effectively so as to ensure the stability of the surface.
Description
Technical field:
The present invention relates to a kind of preparation method of anti-cracking concrete floor of aluminium electrolysis workshop, belong to armored concrete floor topping manufacture technology field.
Technical background:
Aluminium electroloysis belongs to the high-temperature metal smelting process, and the aluminum solutions temperature in the smelting equipment electrolytic cell is up to 960 ℃, in the production operation except the high temperature aluminum liquation frequently water clock on flooring; Also need change the conductive anode carbon rod in turn; Its discarded high temperature anode scrap epicranium is changed down, is shelved on the steel carriage of flooring to carry out the nature cooling, during like upset operation; High temperature anode scrap head is directly lost and is placed on the flooring; Therefore flooring even receive nearly 600 ℃ width of cloth and penetrate heat effect, the operation of the heavy car of two-maing ladle in addition, thus make the concrete floor surface layer of present use Large Area Cracking occur, fall piece.This not only influences production, also threatens the safe handling of load-bearing reinforced concrete floor structure.Therefore, the concrete floor structure of existing aluminium electrolysis shop still can not meet the needs of production.
Summary of the invention:
The objective of the invention is: a kind of simple in structure, with low cost, easy construction is provided and has the preparation method that adapts to the heat effect performance and can prevent or alleviate the anti-cracking concrete floor of aluminium electrolysis workshop of the rigidity flooring surface layer cracking that causes because of factors such as deck deflection deformation, immerge and temperature deformations, to overcome the deficiency of prior art.
The present invention is achieved in that and produces the reinforced concrete floor deck by traditional method earlier; The pitch separation layer of laying depth≤1.5 millimeters thick on the reinforced concrete floor deck then; After treating pitch separation layer drying, on the pitch separation layer, building thickness is the pea gravel concreten surface layer of 60～80 millimeters thick.
As stated above, treat pitch separation layer drying after, better for result of use, also can on the pitch separation layer, lay the steel mesh reinforcement layer, on the reinforcing bar stratum reticulare, build the pea gravel concreten surface layer that thickness is 60～80 millimeters thick then again.
When building the pea gravel concreten surface layer; The mode that employing is vibrated is built, behind the vibration compacting with smashing with smearing, and when building; The pea gravel concreten surface layer is separated into the pea gravel concreten surface layer of the rectangle piecemeal of 3～6m * 3～6m; Between the pea gravel concreten surface layer of per two adjacent rectangle piecemeals, be provided with width and be 15～20 millimeters straight joint, filling pitch flax silk in the seam of straight joint then, and put down straight joint with the bituminous grout embedding at the top of plug pitch flax silk.
The degree of depth of bituminous grout is 20～30 millimeters.
The pitch separation layer preferably adopts the bitumastic material to make.
The strength grade of pea gravel concreten surface layer is not less than the C35 concrete.
Owing to adopted technique scheme,,, under high temperature action, can reach following three kinds of physical and mechanical properties through the actual use proof of engineering by the produced anti-cracking concrete floor of the inventive method.
1, not easy to crack under high temperature action;
2, strength grade is not less than C35, can bear the big load in the manufacturing process;
3, possesses the condition that is free to slide relatively between surface layer and the floor slab structure layer.
Therefore, the present invention compared with prior art has the following advantages:
1, owing to set up the bitumastic separation layer; Surface layer and deck are broken away from relatively; Can prevent the influence of facings such as deflection deformation of concrete structure layer and temperature deformation; Make both can be relatively movable, the mutual effect of constraint value of reason and cause the surface layer cracking not after being heated, this is to be different from the existing important crack control measures of ordinary concrete flooring;
2, concrete pavement is owing to be provided with piecemeal straight joint lattice, and forms independently fritter separate unit, its freely fringe conditions help freely stretching of small blocks itself, prevent to ftracture;
3, set up steel mesh reinforcement in the high-grade concrete surface layer, effectively solve concrete and meet problems such as heat cracking and exposure cracking, guarantee the stability of surface layer.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 has additional the structural representation of reinforcing bar stratum reticulare for the present invention.
Drawing reference numeral explanation: 1-reinforced concrete floor deck, 2-pitch separation layer, 3-pea gravel concreten surface layer, 4-pitch flax silk, 5-bituminous grout, 6-straight joint, 7-reinforcing bar stratum reticulare.
The specific embodiment:
Embodiments of the invention 1: as shown in Figure 1; Earlier produce reinforced concrete floor deck 1, will water the reinforced concrete floor deck 1 of smashing also floating dry back load-bearing then and clean out, on reinforced concrete floor deck 1, brush the pitch separation layer 2 of one thickness≤1.5 millimeters thick by traditional method; Pitch separation layer 2 can adopt the bitumastic material; After treating pitch separation layer 2 dryings, on pitch separation layer 2, building one deck thickness is the pea gravel concreten surface layer 3 of 60～80 millimeters thick, when building pea gravel concreten surface layer 3; The strength grade of its pea gravel concreten surface layer 3 should be less than the C35 concrete; And adopt behind the plate vibrator vibration compacting with smashing with smearing, when building, pea gravel concreten surface layer 3 is separated into the pea gravel concreten surface layer 3 of the rectangle piecemeal of 3～6m * 3～6m; Between the pea gravel concreten surface layer 3 of per two adjacent rectangle sectional types, produce a width respectively and be 15～20 millimeters straight joint 6; Pitch flax silk 4 in the filling in the seam of straight joint 6 then, with the flat straight joint 6 of bituminous grout 5 embeddings, and the degree of depth of controlling bituminous grout is 20～30 millimeters at the top of plug pitch flax silk 4.
Embodiments of the invention 2: as shown in Figure 2; Earlier produce reinforced concrete floor deck 1 by traditional method; To water the reinforced concrete floor deck 1 of smashing also floating dry back load-bearing then cleans out; On reinforced concrete floor deck 1, brush the pitch separation layer 2 of one thickness≤1.5 millimeters thick, pitch separation layer 2 can adopt the bitumastic material, treat pitch separation layer 2 dryings after; On pitch separation layer 2, lay one deck reinforcing bar stratum reticulare 7; And making 10～15 millimeters on the surface of reinforcing bar stratum reticulare 7 high pitch separation layers 2, reinforcing bar stratum reticulare 7 can adopt φ 4200 two-way concrete slab nets to make, and on reinforcing bar stratum reticulare 7, builds the pea gravel concreten surface layer 3 that a layer thickness is 60～80 millimeters thick then again; When building pea gravel concreten surface layer 3; The strength grade of its pea gravel concreten surface layer 3 should be less than the C35 concrete; And adopt behind the plate vibrator vibration compacting with smashing with smearing, when building, pea gravel concreten surface layer 3 is separated into the pea gravel concreten surface layer 3 of the rectangle piecemeal of 3～6m * 3～6m; Between the pea gravel concreten surface layer 3 of per two adjacent rectangle piecemeals, produce a width respectively and be 15～20 millimeters straight joint 6; Pitch flax silk 4 in the filling in the seam of straight joint 6 then, with the flat straight joint 6 of bituminous grout 5 embeddings, and the degree of depth of controlling bituminous grout is 20～30 millimeters at the top of plug pitch flax silk 4.
Claims (4)
1. the preparation method of an anti-cracking concrete floor of aluminium electrolysis workshop; It is characterized in that: produce the reinforced concrete floor deck by traditional method earlier; The pitch separation layer of laying depth≤1.5 millimeters thick on the reinforced concrete floor deck then, the material of pitch separation layer is a bitumastic; After treating pitch separation layer drying; On the pitch separation layer, building thickness is the pea gravel concreten surface layer of 60～80 millimeters thick, when building the pea gravel concreten surface layer, adopts the mode of vibrating to build; Behind the vibration compacting with smashing with smearing; And when building, the pea gravel concreten surface layer is separated into the pea gravel concreten surface layer of the rectangle piecemeal of 3～6m * 3～6m, between the pea gravel concreten surface layer of per two adjacent rectangle piecemeals, is provided with width and is 15～20 millimeters straight joint; In the seam of straight joint, clog the pitch flax silk then, and put down straight joint with the bituminous grout embedding at the top of plug pitch flax silk.
2. the preparation method of anti-cracking concrete floor of aluminium electrolysis workshop according to claim 1; It is characterized in that: after treating pitch separation layer drying; On the pitch separation layer, lay the steel mesh reinforcement layer, on the reinforcing bar stratum reticulare, build the pea gravel concreten surface layer that thickness is 60～80 millimeters thick then again.
3. the preparation method of anti-cracking concrete floor of aluminium electrolysis workshop according to claim 1, it is characterized in that: the degree of depth of bituminous grout is 20～30 millimeters.
4. the preparation method of anti-cracking concrete floor of aluminium electrolysis workshop according to claim 1 and 2, it is characterized in that: the strength grade of pea gravel concreten surface layer is not less than the C35 concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103046270A CN101684686B (en) | 2008-09-24 | 2008-09-24 | Method for manufacturing anti-cracking concrete floor of aluminium electrolysis workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103046270A CN101684686B (en) | 2008-09-24 | 2008-09-24 | Method for manufacturing anti-cracking concrete floor of aluminium electrolysis workshop |
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| Publication Number | Publication Date |
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| CN101684686A CN101684686A (en) | 2010-03-31 |
| CN101684686B true CN101684686B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008103046270A Expired - Fee Related CN101684686B (en) | 2008-09-24 | 2008-09-24 | Method for manufacturing anti-cracking concrete floor of aluminium electrolysis workshop |
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Families Citing this family (1)
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| CN104047218B (en) * | 2014-06-17 | 2016-09-14 | 青岛亚美福源工贸有限公司 | A kind of concrete paving and structural construction premoulded expansion joint filler and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20109205U1 (en) * | 2001-06-01 | 2001-09-20 | Zimmermann Hartmut | Slab covering from covering slabs picked up on a laying base |
| DE10159340A1 (en) * | 2000-12-05 | 2002-06-06 | Akzo Nobel Nv | Lightweight, two-layer floor composition contains filler binder based on calcium sulfate, cement, magnesium oxide, mastic asphalt and/or bitumen and is reinforced with fibers, fabric or metal |
| CN1730853A (en) * | 2005-08-23 | 2006-02-08 | 贵阳铝镁设计研究院 | Insulated floor laying method in aluminium electrolysis shop and its structure |
| CN1844607A (en) * | 2005-04-08 | 2006-10-11 | 贵阳铝镁设计研究院 | Workshop floor and ground treatment method |
-
2008
- 2008-09-24 CN CN2008103046270A patent/CN101684686B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10159340A1 (en) * | 2000-12-05 | 2002-06-06 | Akzo Nobel Nv | Lightweight, two-layer floor composition contains filler binder based on calcium sulfate, cement, magnesium oxide, mastic asphalt and/or bitumen and is reinforced with fibers, fabric or metal |
| DE20109205U1 (en) * | 2001-06-01 | 2001-09-20 | Zimmermann Hartmut | Slab covering from covering slabs picked up on a laying base |
| CN1844607A (en) * | 2005-04-08 | 2006-10-11 | 贵阳铝镁设计研究院 | Workshop floor and ground treatment method |
| CN1730853A (en) * | 2005-08-23 | 2006-02-08 | 贵阳铝镁设计研究院 | Insulated floor laying method in aluminium electrolysis shop and its structure |
Non-Patent Citations (1)
| Title |
|---|
| 张革.有关铝电解车间地面施工方法的探讨.《中国有色金属报》.2006,(第6期),全文. * |
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